Technical & economic performance of pump replacement for thickener underflow at Pansan Coal Preparation Plant
DU Ying-feng;Pansan Coal Perp. Plant,Coal Perp. Branch Co. ,Huainan Mining Ind. Group;
Basis for replacing underflow pump and its changing procedure at Pansan Coal Preparation Plant discussed; evaluation on recovery of solid and overflow water taken after the new pump put into operation,which denoted that such benefit attained as increase of slime product,reduction of flocculent consumption,maintenance work and production cost,and working environment improved.